Send the following on WhatsApp
Continue to ChatXperia 5 輸入法有解了 ! 動手下載安裝 Xperia 中文鍵盤 ~ https://marcokao.com/2019/10/15/xperia-5-%e8%bc%b8%e5%85%a5%e6%b3%95%e6%9c%89%e8%a7%a3%e4%ba%86-%e5%8b%95%e6%89%8b%e4%b8%8b%e8%bc%89%e5%ae%89%e8%a3%9d-xperia-%e4%b8%ad%e6%96%87%e9%8d%b5%e7%9b%a4/